Giddings, J. Calvin 1930- Our chemical environment, edited by J. Calvin Giddings [and] Manus B. Monroe. - San Francisco : Canfield Press ; C1972. - xiii, 367 p. : illus. ; 26 cm. Includes bibliographical references. ISBN: 0063827913 Subjects--Topical Terms: Pollution.Human ecology. Dewey Class. No.: 628.508 / OUR